Detailed description

Abstract

The invention disclosed relates to the end to end system, the methods and an apparatus for locating cell phones, lone workers, assets, and workers in hazardous environments outdoors and indoors. The end to end system integrates with the current E-911 architecture and also provides a stand alone capability for geo-locating workers and assets. The end to end system also provides caller id and geo-spatial location to the E-911 PSAP in the absence of a cellular signal for a cell phone attempting a 911 call.

What is claimed is: 
     
       1. A system for implementing an E-911 call comprising:
 One or more stationary or mobile radar units, wherein the one or more stationary or mobile radar units comprises a radar transmitter and a radar receiver of one or more radar types, the transmitter and receiver of a radar unit being the same radar type 
 One or more radar responsive tags, the one or more radar responsive tags comprising one or more radar responsive tag types 
 Wherein the radar transmitter is configured to transmit a modulated interrogation signal comprising commands and data related to the commands 
 Wherein the radar responsive tag is configured to receive the modulated interrogation signal and transmit a response to the receiver of the radar unit when the radar responsive tag is commanded to respond by the modulated interrogation signal 
 Wherein the response includes geospatial location data and radar responsive tag status information 
 Wherein the radar responsive tag is connected to one or more of a cellular network, the Internet, or a local area network (LAN) 
 Wherein the radar unit is configured to communicate radar responsive tag geospatial location data and radar responsive tag status information to a central system 
 Wherein the central system is configured to provide the radar responsive tag geospatial location data and radar responsive tag status information to a public service access point (PSAP) router 
 Wherein the PSAP router is configured to determine a PSAP, from a list of one or more PSAPs, for responding to an E-911 call made by the radar responsive tag based upon the radar responsive tag geospatial location data and the radar responsive tag status information 
 Wherein the PSAP router is configured to communicate the radar responsive tag geospatial location data and radar responsive tag status information to the determined PSAP for responding to the E-911 call. 
 
     
     
       2. The system of  claim 1 , wherein the radar transmitter and radar receiver are multi-static. 
     
     
       3. The system of  claim 1 , wherein the radar types comprise one or more of bi-static, continuous wave, Doppler, mono-pulse, pulse Doppler, and synthetic aperture. 
     
     
       4. The system of  claim 1 , wherein the one or more radar units are configured to locate the radar responsive tag in 3-axis. 
     
     
       5. The system of  claim 1 , wherein the radar responsive tag is configured to interface with a cellular phone. 
     
     
       6. The system of  claim 5 , wherein the radar responsive tag is configured to connect to the Internet via the cellular phone. 
     
     
       7. The system of  claim 5 , wherein the radar responsive tag is configured to connect to the Local Area Network via the cellular phone. 
     
     
       8. The system of  claim 1 , wherein the central system is geographically distributed. 
     
     
       9. The system of  claim 1 , wherein the central system comprises a display for displaying the location of the radar responsive tag. 
     
     
       10. The system of  claim 1 , wherein the central system is connected to the Internet. 
     
     
       11. The system of  claim 10 , wherein the radar responsive tag is configured to connect to the Internet via the central system. 
     
     
       12. A method for implementing an E-911 call from a radar responsive tag to a public service access point (PSAP) comprising the steps of:
 Transmitting from one or more stationary or mobile radar units, a modulated interrogation signal comprising commands and data related to the commands 
 Wherein the radar unit comprises a transmitter and a receiver of one or more radar types, the transmitter, and receiver of a radar unit being the same radar type 
 Receiving, at the radar responsive tag, the modulated interrogation signal 
 Transmitting, from the radar responsive tag, a response to the receiver of the radar unit when the radar responsive tag is commanded to respond by the modulated interrogation signal, 
 Wherein the response includes geospatial location data and radar responsive tag status information 
 Wherein the radar responsive tag is connected to one or more of a cellular network, the Internet, or a local area network (LAN) 
 Communicating, by the radar unit, radar responsive tag geospatial location data and radar responsive lag status information to a central database 
 Providing, by the central database, the radar responsive tag geospatial location data and radar responsive tag status information to a public service access point (PSAP) router 
 Determining, by the PSAP router, a PSAP, from a list of one or more PSAPs, for responding to an E-911 call made by the radar responsive tag based upon the radar responsive tag geospatial location data and the radar responsive tag status information 
 Communicating the radar responsive tag geospatial location data and radar responsive tag status information to the determined PSAP for responding to the E-911 call. 
 
     
     
       13. The method of  claim 12 , wherein the radar responsive tag is connected to a cellular phone. 
     
     
       14. The method of  claim 12 , wherein the one or more stationary or mobile radar units interface with the Internet. 
     
     
       15. The method of  claim 13 , wherein the radar responsive tag connects to the Internet via a cellular phone. 
     
     
       16. The method of  claim 13 , wherein the radar responsive tag connects to a local area network (LAN) via a cellular phone. 
     
     
       17. The method of  claim 12 , wherein the radar responsive tag implements the E-911 call via a cellular phone with no power. 
     
     
       18. The method of  claim 12 , wherein the radar responsive tag implements the E-911 call via a cellular phone with no cellular signal.